User's Manual

8. Faults & the Solutions
Faults
Solution
Fail to turn it on
Please check if built-in battery is charged, and power wires
connected well.
N
o WCDMA /
GSM signal
Please check if SIM card installed correctly.
Please check if SIM card is WCDMA/GSM network.
Don’t turn on the PIN code
no calls can be diverted
Please check if voltage of the power is normal
N
o GPS
Please check if GPS antenna connected well, and recommend GPS
antenna be installed near the window glass, no metal parts can
cover it to make sure better GPS signal reception.
N
o reply to SMS
command
Password wrong or the format is wrong.
N
o reply to calling
Authorized / admin phone number is incorrect
N
o alarm message
Authorized / admin phone number has not setup